JOHNSON BAR"Reverse lever on a locomotive. (See drop 'er down)
JOIN THE BIRDS"Jump from moving engine or car, usually when a wreck is imminent ...
Johnson bar
The reverse lever of a steam locomotive. The movement of the lever also regulates the timing of the valves, which controls the flow of steam into the cylinders, ...
Johnson bar
The manual reversing lever of older steam locomotives.
Joint ...
Hooking Up The act of shortening the duration of the steam admission setting on a steam locomotive, using a Johnson Bar or Power reverse wheel or lever, thereby trading power for speed. Horsepower per Trailing Ton.
Johnson bar (US): On a locomotive, a long, heavy lever that operates the cutoff, etymology unknown.[35]
Joint bar, fishplate (UK): Joins the ends of rails in jointed track.
Slang for using the steam brake to retard forward motion. So named because it requires pulling the Johnson bar all the way back (into the engineer's lap on some engines) and applying enough steam to slow the train.
Running Through A Switch ...
Johnson Bar - the reversing lever of a steam locomotive.
Journal - The part of a shaft or axle support by a bearing.
Journal Log - Compiled by the guard of the make-up and events of train/movement.
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 See also: Locomotive, Engine, Grade, Section, Drive
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